...工业用氯化钠 不溶于水或不溶于酸的物质含量的测定和供其他测定用的主溶液的配制 英文名称： Sodium chloride for industrial use; Determination of matter insoluble in water or in acid and preparation of princ..
Doublesettling is used instead of double salting out, and less flocculant to replacelarge amountsof common salts required, thus the treatment of the wasteis largely simplified.